CA1050748A - Scellement de revelateur - Google Patents

Scellement de revelateur

Info

Publication number: CA1050748A
Authority: CA; Canada
Prior art keywords: magnetic; seal; shield; imaging surface; developer
Prior art date: 1974-06-10
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

CA226,090A

Other languages

English (en)

Inventor

Ganesh L. Harpavat

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Xerox Corp

Original Assignee

Xerox Corp

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1974-06-10

Filing date

1975-05-02

Publication date

1979-03-20

1975-05-02 Application filed by Xerox Corp filed Critical Xerox Corp

1979-03-20 Application granted granted Critical

1979-03-20 Publication of CA1050748A publication Critical patent/CA1050748A/fr

Status Expired legal-status Critical Current

Links

239000000463 material Substances 0.000 claims abstract description 51
239000000696 magnetic material Substances 0.000 claims abstract description 16
238000003384 imaging method Methods 0.000 claims description 43
230000006872 improvement Effects 0.000 claims description 2
108091008695 photoreceptors Proteins 0.000 abstract description 11
238000004140 cleaning Methods 0.000 abstract description 6
239000006249 magnetic particle Substances 0.000 abstract description 3
230000001681 protective effect Effects 0.000 abstract 1
239000011324 bead Substances 0.000 description 11
239000002245 particle Substances 0.000 description 6
229910000831 Steel Inorganic materials 0.000 description 4
230000005484 gravity Effects 0.000 description 4
238000007789 sealing Methods 0.000 description 4
239000010959 steel Substances 0.000 description 4
238000000034 method Methods 0.000 description 3
230000008569 process Effects 0.000 description 3
230000000717 retained effect Effects 0.000 description 3
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
230000015572 biosynthetic process Effects 0.000 description 2
238000011109 contamination Methods 0.000 description 2
238000012986 modification Methods 0.000 description 2
230000004048 modification Effects 0.000 description 2
238000007790 scraping Methods 0.000 description 2
125000006850 spacer group Chemical group 0.000 description 2
229910001369 Brass Inorganic materials 0.000 description 1
BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
241000024109 Spiris Species 0.000 description 1
238000013019 agitation Methods 0.000 description 1
239000010951 brass Substances 0.000 description 1
238000005056 compaction Methods 0.000 description 1
239000004020 conductor Substances 0.000 description 1
229910052742 iron Inorganic materials 0.000 description 1
230000014759 maintenance of location Effects 0.000 description 1
239000000203 mixture Substances 0.000 description 1
239000011236 particulate material Substances 0.000 description 1
230000035699 permeability Effects 0.000 description 1
229920000136 polysorbate Polymers 0.000 description 1
239000012858 resilient material Substances 0.000 description 1
238000006748 scratching Methods 0.000 description 1
230000002393 scratching effect Effects 0.000 description 1
229910052711 selenium Inorganic materials 0.000 description 1
239000011669 selenium Substances 0.000 description 1
238000000926 separation method Methods 0.000 description 1
238000011144 upstream manufacturing Methods 0.000 description 1
229910000859 α-Fe Inorganic materials 0.000 description 1

Classifications

- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/0896—Arrangements or disposition of the complete developer unit or parts thereof not provided for by groups G03G15/08 - G03G15/0894
- G03G15/0898—Arrangements or disposition of the complete developer unit or parts thereof not provided for by groups G03G15/08 - G03G15/0894 for preventing toner scattering during operation, e.g. seals
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/0801—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer for cascading

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Dry Development In Electrophotography (AREA)
Magnetic Brush Developing In Electrophotography (AREA)

CA226,090A 1974-06-10 1975-05-02 Scellement de revelateur Expired CA1050748A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US477946A US3906899A (en)	1974-06-10	1974-06-10	Developer seal

Publications (1)

Publication Number	Publication Date
CA1050748A true CA1050748A (fr)	1979-03-20

Family

ID=23897960

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA226,090A Expired CA1050748A (fr)	1974-06-10	1975-05-02	Scellement de revelateur

Country Status (2)

Country	Link
US (1)	US3906899A (fr)
CA (1)	CA1050748A (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4168901A (en) *	1975-01-21	1979-09-25	Canon Kabushiki Kaisha	Developer housing sealing device for electrophotography
DE2507152C3 (de) *	1975-02-19	1978-11-02	Agfa-Gevaert Ag, 5090 Leverkusen	Reinigungseinrichtung für elektrofotografische Kopiergeräte
US4101211A (en) *	1976-07-12	1978-07-18	Eastman Kodak Company	Magnetic curtain seal for development apparatus
NL180961C (nl) *	1976-08-19	1987-05-18	Oce Van Der Grinten Nv	Magneetborstel-ontwikkelinrichting.
US4108111A (en) *	1977-05-31	1978-08-22	Xerox Corporation	Developer housing
US4092954A (en) *	1977-05-31	1978-06-06	Xerox Corporation	High speed tank development system
US4387982A (en) *	1981-07-01	1983-06-14	Xerox Corporation	Charged particle containment apparatus
US4394086A (en) *	1982-03-24	1983-07-19	Xerox Corporation	Particle containment apparatus
JPS6054149U (ja) *	1983-09-20	1985-04-16	株式会社東芝	現像装置
US4522488A (en) *	1983-12-21	1985-06-11	Xerox Corporation	Cleaning apparatus for a magnetographic printing device
US4571060A (en) *	1984-10-22	1986-02-18	Xerox Corporation	Housing seal
US4575217A (en) *	1984-12-04	1986-03-11	Eastman Kodak Company	Apparatus for selectively sealing a discrete dielectric sheet developer station
US4742797A (en) *	1987-06-25	1988-05-10	Xerox Corporation	Tear drop seal
US4843421A (en) *	1988-06-24	1989-06-27	Xerox Corporation	System for priming the magnetic brush end seals of copier/printer machines
US5138382A (en) *	1991-03-27	1992-08-11	Xerox Corporation	Apparatus and method for creating a developer housing seal via a curtain of carrier beads
US5270782A (en) *	1991-12-23	1993-12-14	Xerox Corporation	Single-component development system with intermediate donor member
US5267003A (en) *	1992-08-11	1993-11-30	Olivetti Supplies, Inc.	Toner cartridge refilling seal using magnetic material
US5315354A (en) *	1993-04-23	1994-05-24	Xerox Corporation	Carrier bead seal
KR100421997B1 (ko) *	2001-11-27	2004-03-11	삼성전자주식회사	전자사진방식 화상형성기의 현상장치

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3015305A (en) *	1958-05-23	1962-01-02	Xerox Corp	Development of electrostatic images
US3133834A (en) *	1961-06-22	1964-05-19	Rca Corp	Electrostatic developing apparatus
US3332328A (en) *	1965-03-01	1967-07-25	Xerox Corp	Xerographic developer seal and process
US3635196A (en) *	1969-12-30	1972-01-18	Xerox Corp	Pneumatically controlled seal
JPS5425420B2 (fr) *	1971-08-27	1979-08-28
US3809012A (en) *	1972-11-24	1974-05-07	Xerox Corp	Developer seal
US3840879A (en) *	1973-01-29	1974-10-08	Xerox Corp	Excess toner shield for electrographic apparatus

1974
- 1974-06-10 US US477946A patent/US3906899A/en not_active Expired - Lifetime
1975
- 1975-05-02 CA CA226,090A patent/CA1050748A/fr not_active Expired

Also Published As

Publication number	Publication date
US3906899A (en)	1975-09-23

Publication	Publication Date	Title
CA1050748A (fr)	1979-03-20	Scellement de revelateur
CA1201583B (fr)	1986-03-11	Dispositif revelateur a balai magnetique
EP0216093B1 (fr)	1990-05-23	Joint sans contact pour produit de développement
EP1156377B1 (fr)	2010-05-19	Méthode de développement d'images électrostatographiques avec des valeurs de fonctionnement optimales
US4660958A (en)	1987-04-28	Developing apparatus
US4774543A (en)	1988-09-27	Image forming apparatus with plural developing devices
EP0504362B1 (fr)	1994-09-14	Appareil de developpement dote d'un dispositif de balayage a plaque
US5166733A (en)	1992-11-24	Blade and seal for preventing migration of toner particles from a developer roll in an electrophotographic printer
US4260235A (en)	1981-04-07	Contamination prevention system
US4664505A (en)	1987-05-12	Electrostatic image reproducing apparatus
US4804995A (en)	1989-02-14	Charged latent image developing apparatus
US3601091A (en)	1971-08-24	Magnetic printout equipment
US4868607A (en)	1989-09-19	Electrophotographic device with a bead pickoff arrangement
US4819027A (en)	1989-04-04	Developing apparatus
US5043760A (en)	1991-08-27	Carrier particle loosening device
US5081503A (en)	1992-01-14	Compact magnetic bead pick-off device
EP0182630A2 (fr)	1986-05-28	Dispositif de développement électrophotographique
JPS6190184A (ja)	1986-05-08	電子写真複写機のクリ−ニング装置
JPS5855502B2 (ja)	1983-12-09	磁気ブラシ現像装置
JPH0546034Y2 (fr)	1993-12-01
JPH05113716A (ja)	1993-05-07	現像装置
JPH0210428B2 (fr)	1990-03-08
JPS6149665B2 (fr)	1986-10-30
JPH02221990A (ja)	1990-09-04	電子写真複写機におけるクリーニング装置
JPS64694B2 (fr)	1989-01-09